changing power supplies in monitors?

January 6, 2012 at 23:09:12
Specs: ??????, P3 700mhz 256mb
I have a stupid question.
I have a Dell Monitor that the back light inverter doesn't work. And I have an LG monitor that the power supply is out. Can I swap power supplies? Or can I swap inverters?

Thank you in advance for letting me know that the two monitors are different, and they cannot be easily changed as if they were the same. What I would like to know is can I rewire the plugs? Can I check the voltages with a multimeter?

I'm looking for more of a fabrication than a direct replacement. If you answer "No, this cannot be done", please explain why. If this won't work in anyway, I can always dump them at the next E-waste.

Old stuff that still works, somewhat....

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January 7, 2012 at 00:23:21
As far as the power supplies are concerned voltage is only part of the equation. You need to be looking at amps as well. I take it these power supplies are separate units, if so the values should be on a label. If the amps of the working power supply is more than than the old one then that will be fine, but not less. If they are internal then I wouldn't even try.

AS for the inverters, it depends. Voltage and amps are going to matter. If both monitors are roughly the same size then it would probably work. If there is a large difference then it probably wont. You would have to look at the back-lights themselves and see what the power requirements for each are and compare.


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